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1420103203 = 19910936529
BaseRepresentation
bin101010010100101…
…0000111000100011
310122222011201100221
41110221100320203
510402021300303
6352525423511
750122451401
oct12451207043
93588151327
101420103203
1166967a612
1233770ab97
13198299b6c
14d6866471
1584a164bd
hex54a50e23

1420103203 has 8 divisors (see below), whose sum is σ = 1428764000. Its totient is φ = 1411458048.

The previous prime is 1420103189. The next prime is 1420103219. The reversal of 1420103203 is 3023010241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420103203 - 25 = 1420103171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420103303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214243 + ... + 220771.

It is an arithmetic number, because the mean of its divisors is an integer number (178595500).

Almost surely, 21420103203 is an apocalyptic number.

1420103203 is a deficient number, since it is larger than the sum of its proper divisors (8660797).

1420103203 is a wasteful number, since it uses less digits than its factorization.

1420103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1420103203 is about 37684.2566995821. The cubic root of 1420103203 is about 1124.0180938206.

Adding to 1420103203 its reverse (3023010241), we get a palindrome (4443113444).

The spelling of 1420103203 in words is "one billion, four hundred twenty million, one hundred three thousand, two hundred three".

Divisors: 1 199 1093 6529 217507 1299271 7136197 1420103203